a2ztopic.com
Issued by R3
About this certificate
This digital certificate with serial number 04:58:89:32:d5:90:e3:80:50:a9:dc:43:1d:28:cd:01:95:6b was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=a2ztopic.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:58:89:32:d5:90:e3:80:50:a9:dc:43:1d:28:cd:01:95:6bSerial Number (int): 378576360197981540787758722413172250219883
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 26:13:cc:cd:5e:07:fe:74:e9:90:de:41:5b:de:9e:31:7f:39:cb:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 03:5a:43:2e:17:b6:e5:48:62:21:1c:2f:6a:36:76:14:11:f5:b5:71
Fingerprint (sha256): 94:54:c9:18:57:09:0b:6d:5c:a7:0d:2a:e9:ed:ca:c6:3e:79:a3:cb:88:91:f5:13:ff:0e:13:6f:91:f3:b9:da
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate a2ztopic.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for a2ztopic.com
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
a2ztopic.com
Other certificates including the domain name a2ztopic.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for a2ztopic.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE5DCCA8ygAwIBAgISBFiJMtWQ44BQqdxDHSjNAZVrMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA4MjExNjUxMTlaFw0yMzExMTkxNjUxMThaMBcxFTATBgNVBAMT DGEyenRvcGljLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK/1 1Gwc8hSkTCdL2EqasOFstmNnlfr0goseU3BjcU0fbQfRF/oTXQu/85SiQBlI/WU0 n2yTtux75XlTdw+YnYSBcXz9rXXwKeDsUJH+GuJ6il2czyaU5Q7Ni0DYynMLM2sS mAjMxk4YnngZu41Ili+n7gF/rArASDtH6yfZJau+3+zaZX8CdxXClhcrzKO9a7RW QqC7e3X4CopvkgRmJ2oHzXvJpscuIqar1rRszDt3HXCnYkYozM2RtbqUY4aIIByP 70tiZFj+GzaGXRggL2sa4hKAXUuSvS6h0D+hrq1VzOQd5LiZDATfjpp618b3J1m2 GOicADtymdflW4tq8j0CAwEAAaOCAg0wggIJMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUJhPMzV4H/nTpkN5BW96eMX85y40wHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA 5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w FwYDVR0RBBAwDoIMYTJ6dG9waWMuY29tMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIB AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAtz77JN+cTbp18jnFulj0bF38Qs96nzXE nh0JgSXttJkAAAGKGTj9MQAABAMARzBFAiAt2lUJNjfhQjyRaAElGFxItF0nhw0C MmreJrZAdp3JXwIhAPz6WgfFGyU7icTXGGiZY5E0edlAXKJAEw5yrNu1WY5vAHUA ejKMVNi3LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS61IAAAGKGTj9UAAABAMARjBE AiAx1TPKYN9/4/NF/NBXaPPsCNzyv1Qcof3ev5dgevLo4AIgD6loFOce38AK1cWu acetSfiRAm2hSY8Qa4EZN8zAaR8wDQYJKoZIhvcNAQELBQADggEBABlCUyD5RB2L /grSUTN8WX8n+vgylXiG08jb0YQyXredXNx6BcDA/A0YAWYs8jkTPG4L+60P95FB voWFJG14c3w2HF37XIKG5mJHRDTfdwFU+CZC/4hjPG6ISm1VrbhG/ZXqRGxxJvsS 9vOLqKOzu/ezG4UENYmeDBu/8mgN7SuRYLMqF+hkHisPeYVxisjNT0Hq6iCnBE/B 1LRjPf2B5wvyX5XfqS5LehajlvrpxFKNF431v4LKe7tkH7Ti9eylD1uJsITEClTh ARqXFlG4RXyHghqnnBqWSeCLH2IURJe6CpSBIKBfYNDEJbJRTnKoXhiUpdIU7Rwy 2zeV+YD8lU4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr/XUbBzyFKRMJ0vYSpqw 4Wy2Y2eV+vSCix5TcGNxTR9tB9EX+hNdC7/zlKJAGUj9ZTSfbJO27HvleVN3D5id hIFxfP2tdfAp4OxQkf4a4nqKXZzPJpTlDs2LQNjKcwszaxKYCMzGThieeBm7jUiW L6fuAX+sCsBIO0frJ9klq77f7NplfwJ3FcKWFyvMo71rtFZCoLt7dfgKim+SBGYn agfNe8mmxy4ipqvWtGzMO3cdcKdiRijMzZG1upRjhoggHI/vS2JkWP4bNoZdGCAv axriEoBdS5K9LqHQP6GurVXM5B3kuJkMBN+OmnrXxvcnWbYY6JwAO3KZ1+Vbi2ry PQIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 378576360197981540787758722413172250219883 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-21 16:51:19 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-19 16:51:18 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'a2ztopic.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22212926549002050284514280201842508005383112295076716543860080304139230312954791538218521192151646276641171821312132057322186382907608557833044633266717882159925486793295035814217429765932256501274586894185551838600871192630653836784258262551113370226315622875011745484089040586643464499099050743492573864505099283671246997769884397086860391780353004063554110072482938347723151697605680849491567586015973396283841827917163130476820767770921992844445933163852056389828001821416273072794242683658107471620900284696956025332534027970481622290746322469912862466641257099739053380014933010211544416170231702695133772968509 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 2613cccd5e07fe74e990de415bde9e317f39cb8d . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'a2ztopic.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a1938fd31000004030047304502202dda55093637e1423c91680125185c48b45d27870d02326ade26b640769dc95f022100fcfa5a07c51b253b89c4d718689963913479d9405ca240130e72acdbb5598e6f0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a1938fd500000040300463044022031d533ca60df7fe3f345fcd05768f3ec08dcf2bf541ca1fddebf97607af2e8e002200fa96814e71edfc00ad5c5ae69c7ad49f891026da1498f106b811937ccc0691f . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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